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发明名称
DISPOSICION PERFECCIONADA DEL CIERRE EN VALVULAS DE EXTINTO-RES.
摘要
申请公布号
ES221086(Y)
申请公布日期
1978.04.01
申请号
ES19860002210U
申请日期
1976.05.20
申请人
发明人
分类号
F16K;(IPC1-7):16K/
主分类号
F16K
代理机构
代理人
主权项
地址
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